US10179349B1ActiveUtilityA1

Cleaning tool

Assignee: HANGZHOU GREAT STAR IND CO LTDPriority: Jul 13, 2017Filed: Oct 4, 2017Granted: Jan 15, 2019
Est. expiryJul 13, 2037(~11 yrs left)· nominal 20-yr term from priority
Inventors:Weiyi Wang
B25G 1/06B25G 3/06B08B 1/005B08B 1/165
67
PatentIndex Score
1
Cited by
19
References
17
Claims

Abstract

The present invention provides a cleaning tool comprising a tool head device and a handle portion, the tool head device comprises a cutting edge, and the handle portion is rotatably connected to the tool head device; the cutting edge is exposed outside of the handle portion in the use state; and the cutting edge is entirely or partially covered by the handle portion in the non-use state.

Claims

exact text as granted — not AI-modified
The invention claimed is: 
     
       1. A cleaning tool, comprising:
 a tool head device comprising a cutting edge; and 
 a handle portion rotatably connected to the tool head device; 
 the cutting edge is exposed outside of the handle portion in a use state; 
 the cutting edge is entirely or partially covered by the handle portion in a non-use state; 
 wherein the tool head device comprises: 
 a tool post; 
 a blade holder detachably fitted to the tool post; and 
 a blade fixed to the blade holder; the blade comprises the cutting edge; 
 wherein the tool post comprises two oppositely disposed clips, which are respectively: 
 a first clip; and 
 a second clip connected to the first clip; 
 a clip gap formed between the first clip and the second clip; the blade is provided in the upper portion of the clip gap, the cutting edge extends to the outside of the clip gap; the blade holder is provided in the middle portion of the clip gap; and 
 a spacer provided in a lower portion of the clip gap; 
 wherein 
 the tool post comprises two curved sheets, which are respectively: 
 a first curved sheet provided in the upper portion of the first clip and bent in the direction of the second clip; and 
 a second curved sheet provided in the upper portion of the second clip and bent in the direction of the first clip. 
 
     
     
       2. The cleaning tool according to  claim 1 , wherein the blade comprises a blade latch recess provided at the edges of both ends of the blade;
 the tool post comprises: 
 a bending flap protruding from the edge of one end of one of the curved sheets and snapped into the blade latch recess; and/or 
 a toggleable flap protruding from the edge of one end of one of the curved sheets or one of the clips and snapped into the blade latch recess; and a clip opening is formed between the toggleable flap and the curved sheet or the clip. 
 
     
     
       3. The cleaning tool according to  claim 1 , wherein the tool post comprises:
 a clip slide hole penetrating through one of the clips and adjacent to the edge of one end of the clip; 
 a spacer latch recess recessed from the side wall at one end of the spacer; and 
 a locking member, a portion of which is provided in the lower portion of the clip gap; the locking member comprises: 
 a locking member body tangent to the spacer; 
 a locking member slide block provided on the surface of one or both sides of the locking member body and inserted into the clip slide hole; 
 a locking member latch block protruding from one side wall of the locking member body and snapped into the spacer latch recess; 
 a locking member stop block protruding from a top portion of the locking member body; 
 the side of the locking member stop block is tangent to one end of the blade holder; and 
 a locking member push block protruding from the other side wall of the locking member body and exposed outside of the clip gap. 
 
     
     
       4. The cleaning tool according to  claim 1 , wherein the blade comprises:
 a blade groove recessed from the surface of one side of the blade; or 
 a blade throughhole penetrating through the blade; 
 the tool post comprises: 
 a tool post latch block detachably snapped into the blade groove or the blade throughhole; the tool post latch block protruding from the surface of one of the curved sheets and facing toward another curved sheet. 
 
     
     
       5. The cleaning tool according to  claim 1 , wherein the tool post comprises:
 a first clip throughhole penetrating through the first clip; 
 a second clip throughhole penetrating through the second clip; and 
 a spacer throughhole penetrating through the spacer. 
 
     
     
       6. The cleaning tool according to  claim 1 , wherein the tool post comprises:
 a bump or a raised round face protruding from the outer surface of one of the clips and tangent to a partial surface of the handle portion. 
 
     
     
       7. The cleaning tool according to  claim 1 , wherein a rotation plane formed when the handle portion is rotated relative to the tool head device is the same as or parallel to a plane where the cutting edge is located. 
     
     
       8. The cleaning tool according to  claim 7 , wherein the handle portion comprises a handle, the handle comprises:
 a first clamp provided on one end of the handle; 
 a second clamp provided on one end of the handle and disposed opposite to the first clamp; and 
 a first handle groove provided between the first clamp and the second clamp, the tool head device is entirely or partially rotatably fitted into the first handle groove. 
 
     
     
       9. The cleaning tool according to  claim 8 , wherein the handle portion comprises:
 a first clamp throughhole penetrating through one end of the first clamp; 
 a second clamp throughhole penetrating through one end of the second clamp and disposed opposite to the first clamp throughhole; and 
 a pin shaft successively passing through the first clamp throughhole, the first clip throughhole, a spacer throughhole, the second clip throughhole and the second clamp throughhole. 
 
     
     
       10. The cleaning tool according to  claim 8 , wherein the handle portion comprises two handles, which are respectively a first handle and a second handle; each of the handles comprises:
 a first gear teeth provided at the edge of one end of the first clamp; and 
 a second gear teeth provided at the edge of one end of the second clamp; 
 wherein the first gear teeth of the first handle are engaged with the first gear teeth of the second handle; and 
 the second gear teeth of the first handle are engaged with the second gear teeth of the second handle. 
 
     
     
       11. The cleaning tool according to  claim 10 , wherein the handle comprises:
 a first arcuate plate provided at the edge of one end of the first clamp; and 
 a second arcuate plate provided at the edge of one end of the second clamp. 
 
     
     
       12. The cleaning tool according to  claim 7 , wherein the handle portion comprises:
 two handles, which are respectively a first handle and a second handle; 
 a second handle groove penetrating through the distal end of the first handle; 
 a third handle groove penetrating through the distal end of the second handle and being on the same straight line as the second handle groove; 
 a catch spindle having two ends vertically connected to two inner side walls of the second handle groove, respectively; 
 a locking opening penetrating through the side wall on one side of the third handle groove; and 
 a handle catch having one end hinged to the catch spindle and the other end provided with a locking post; when the first handle and the second handle are brought into contact with each other, the locking post is snapped into the locking opening. 
 
     
     
       13. The cleaning tool according to  claim 12 , wherein the handle portion comprises a resilient latch sheet fixed within the second handle; the resilient latch sheet comprises a resilient bayonet corresponding to the locking opening; when the first handle and the second handle are brought into contact with each other, the locking post is snapped into the resilient bayonet. 
     
     
       14. The cleaning tool according to  claim 1 , wherein a rotation plane formed when the handle portion is rotated relative to the tool head device is perpendicular to a plane where the cutting edge is located. 
     
     
       15. The cleaning tool according to  claim 14 , wherein the handle portion comprises:
 a pivot shaft; 
 a first sleeve rotatably sleeved outside the pivot shaft and connected to the tool head device; and 
 a second sleeve rotatably sleeved outside the pivot shaft and connected to one of the handles. 
 
     
     
       16. The cleaning tool according to  claim 15 , wherein the handle portion comprises a third sleeve rotatably sleeved outside the pivot shaft and connected to the other handle. 
     
     
       17. The cleaning tool according to  claim 15 , wherein the handle portion comprises:
 two handle throughholes penetrating through the handle, which are respectively on both sides of the pivot shaft; and 
 a bolt for fixing the tool head device and the handle portion; 
 the bolt successively passes through the handle throughhole, the second clip throughhole, a spacer throughhole and the first clip throughhole in the use state; and the bolt successively passes through the handle throughhole, the first clip throughhole, the spacer throughhole, and the second clip throughhole in the non-use state.

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